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4c62271654
Implement POSIX real/effective/saved credential getters and paired setters in the task group layer, with libc stubs and syscalls. Signed-off-by: Abhishek Mishra <mishra.abhishek2808@gmail.com>
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/****************************************************************************
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* sched/group/group_getresgid.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <unistd.h>
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#include <assert.h>
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#include <sched/sched.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: getresgid
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*
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* Description:
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* The getresgid() function gets the real, effective, and saved set-group
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* IDs of the calling process.
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*
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* Input Parameters:
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* rgid - Location to return the real group ID, or NULL.
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* egid - Location to return the effective group ID, or NULL.
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* sgid - Location to return the saved set-group ID, or NULL.
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*
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* Returned Value:
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* Zero if successful and -1 in case of failure, in which case errno is set
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* appropriately.
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*
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****************************************************************************/
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int getresgid(FAR gid_t *rgid, FAR gid_t *egid, FAR gid_t *sgid)
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{
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FAR struct tcb_s *rtcb = this_task();
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FAR struct task_group_s *rgroup = rtcb->group;
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DEBUGASSERT(rgroup != NULL);
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if (rgid != NULL)
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{
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*rgid = rgroup->tg_gid;
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}
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if (egid != NULL)
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{
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*egid = rgroup->tg_egid;
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}
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if (sgid != NULL)
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{
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*sgid = rgroup->tg_sgid;
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}
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return OK;
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}
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